1. The user asked to summarize a previous explanation to be shorter. 2. Summarizing means to reduce content while keeping the main points clear. 3. Since the original content is not provided, the best general advice is to focus on key steps and main results only. 4. Keep explanations clear but concise, removing less critical details. 5. Use simple language and only necessary math expressions. Final answer: To summarize, keep the main problem statement, essential steps with minimal intermediate work, and the final solution clearly stated.